| Concentration (SiO2%) | 25% | 25% | ||||||
| Molar ratio | 1.6 | 2.4 | 3.3 | 3.8 | 1.6 | 2.4 | 3.3 | 3.8 |
| Silica gel (g) | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 |
| NaOH (g) | 62.5 | 41.6 | 30.3 | 26.3 | 62.5 | 41.6 | 30.3 | 26.3 |
| Distilled water (mL) | 162.5 | 183.4 | 194.7 | 198.7 | 161.5 | 182.4 | 193.7 | 197.7 |
| Modifier (g) |
| 1 | 1 | 1 | 1 | |||